« first day (2123 days earlier)      last day (40 days later) » 

HNQ
2:36 PM
2
Q: Does momentum conservation imply energy conservation?

Johan LiebertI was trying to figure out situation in which energy is conserved and momentum is not and it was quite easy to find out one case which is of a stone tied to a string moving in uniform circular motion. Then I thought to consider the reverse situation in which momentum is conserved but energy is n...

 

« first day (2123 days earlier)      last day (40 days later) »